
body {
    display: flex;
    /* justify-content: center; */
    /* 居中 */
    align-items: center;
    /* 垂直排列 */
    flex-direction: column;
    background-color: rgb(192, 192, 192);
    
  }

#main_tab{
    width: 80%;
    font-family: Jetbrains mono;
    font-size: 14px;
        
}

.yi_hang{
    display: flex;
    
    flex-direction:row;
    padding-top: 10px;
    padding-left: 2px;
    /* 外边距 */
    margin-left: 5px;   
}

#saologo{
    height: 60px;
}

#wenben{
    width: 100%;
    font-family: fira code, monospace;
    background-color: #333;
    color: rgb(243, 245, 243);
}


/* 按钮特效 */
.start_button {
    padding: 8px 5px;
    background-color: #51ac54;
    color: white;
    /* border: none; */
    border-radius: 5px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
  }
  
  .start_button:hover {
    background-color: #0fac17;
    color: white;
    /* border: 10px; */
    border-color: rgb(241, 83, 44);
  }


.red_button {
    padding: 8px 5px;
    background-color: #ee5214;
    color: white;
    /* border: none; */
    border-radius: 5px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
  }
  
  .red_button:hover {
    background-color: #0fac17;
    color: white;
    /* border: 10px; */
    border-color: rgb(241, 83, 44);
  }


/* 美化输入框 */
.input_button1 {
  padding: 5px;
  width: 300px;
  border: 2px solid #163f5a;
  border-radius: 5px;
  font-size: 12px;
  color: #333;
  transition: border-color 0.3s; /* 添加过渡效果 */

}


.input_button1:hover {
  border-color: #e74c3c; /* 鼠标悬浮时改变边框颜色 */
}


/* 美化label 文字 */

.label1{
  margin:2px 10px 2px 1px;
}